DLMS™ Summary National Stock Number 1010-00-790-8026 National Stock Number (NSN) 1010-00-790-8026, or NIIN 007908026, (breechblock) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). NIIN 007908026 was cancelled on December 28, 2001, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs. There are no manufacturer part numbers associated to this NSN. This part number has not been procured by the US Government in over 5 years. This NSN is assigned to Item Name Code (INC) 22188. [A MOVABLE STEEL BLOCK IN THE MECHANISM OF A BREECHLOADING GUN THAT SEALS THE BREECH OPENING OF THE BARREL DURING FIRING. EXCLUDES BOLT, AUTOMATIC WEAPON.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1010007908026 contains an unknown precious metal. This information was last updated on Jan 18, 2017.